Organic-inorganic hybrid membrane, organic-inorganic hybrid membrane composite, gas separation and concentration method, gas separation membrane module, method for producing organic-inorganic hybrid membrane, and method for producing organic-inorganic hybrid membrane composite

An organic-inorganic hybrid membrane composite, comprising:

• a porous support layer;
• and
• an organic-inorganic hybrid membrane which is formed on the porous support layer,
• said organic-inorganic hybrid membrane composite having an air permeation amount of 10000 L/(m2·h) or less,
• the organic-inorganic hybrid membrane containing a matrix polymer and a gas-selective inorganic filler,
• a contained amount of the gas-selective inorganic filler relative to the organic-inorganic hybrid membrane being 35% by mass or more,
• the gas-selective inorganic filler containing zeolite,
• an SiO2/Al2O3 molar ratio of the zeolite being 7 or more, and
• a membrane thickness of the organic-inorganic hybrid membrane being 0.05 μm or more and 50 μm or less.

An organic-inorganic hybrid membrane, comprising:

• a matrix polymer;
• and
• a gas-selective inorganic filler,
• the inorganic filler containing zeolite,
• the zeolite including zeolite particles having an average circularity coefficient of 0.80 or more,
• a contained amount of the zeolite particles being 35% by mass or more, and
• an air permeation amount of said organic-inorganic hybrid membrane being 10000 [L/m2/h] or less.

An organic-inorganic hybrid membrane composite, comprising:

• a porous support layer;
• and
• an organic-inorganic hybrid membrane which is formed on the porous support layer,
• said organic-inorganic hybrid membrane composite having an air permeation amount of 10000 [L/m2/h] or less,
• the organic-inorganic hybrid membrane containing a matrix polymer and a gas-selective inorganic filler,
• the inorganic filler containing zeolite,
• the zeolite including zeolite particles having an average circularity coefficient of 0.80 or more, and
• a contained amount of the zeolite particles in the organic-inorganic hybrid membrane being 35% by mass or more.